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| <html><head><title>Python: module telemetry.timeline.trace_data</title> |
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| <font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.timeline.html"><font color="#ffffff">timeline</font></a>.trace_data</strong></big></big></font></td |
| ><td align=right valign=bottom |
| ><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="../telemetry/timeline/trace_data.py">telemetry/timeline/trace_data.py</a></font></td></tr></table> |
| <p><tt># Copyright 2014 The Chromium Authors. All rights reserved.<br> |
| # Use of this source code is governed by a BSD-style license that can be<br> |
| # found in the LICENSE file.</tt></p> |
| <p> |
| <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> |
| <tr bgcolor="#aa55cc"> |
| <td colspan=3 valign=bottom> <br> |
| <font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr> |
| |
| <tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td> |
| <td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="json.html">json</a><br> |
| </td><td width="25%" valign=top></td><td width="25%" valign=top></td><td width="25%" valign=top></td></tr></table></td></tr></table><p> |
| <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> |
| <tr bgcolor="#ee77aa"> |
| <td colspan=3 valign=bottom> <br> |
| <font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr> |
| |
| <tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td> |
| <td width="100%"><dl> |
| <dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a> |
| </font></dt><dd> |
| <dl> |
| <dt><font face="helvetica, arial"><a href="telemetry.timeline.trace_data.html#TraceData">TraceData</a> |
| </font></dt><dt><font face="helvetica, arial"><a href="telemetry.timeline.trace_data.html#TraceDataBuilder">TraceDataBuilder</a> |
| </font></dt><dt><font face="helvetica, arial"><a href="telemetry.timeline.trace_data.html#TraceDataPart">TraceDataPart</a> |
| </font></dt></dl> |
| </dd> |
| <dt><font face="helvetica, arial"><a href="exceptions.html#Exception">exceptions.Exception</a>(<a href="exceptions.html#BaseException">exceptions.BaseException</a>) |
| </font></dt><dd> |
| <dl> |
| <dt><font face="helvetica, arial"><a href="telemetry.timeline.trace_data.html#NonSerializableTraceData">NonSerializableTraceData</a> |
| </font></dt></dl> |
| </dd> |
| </dl> |
| <p> |
| <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> |
| <tr bgcolor="#ffc8d8"> |
| <td colspan=3 valign=bottom> <br> |
| <font color="#000000" face="helvetica, arial"><a name="NonSerializableTraceData">class <strong>NonSerializableTraceData</strong></a>(<a href="exceptions.html#Exception">exceptions.Exception</a>)</font></td></tr> |
| |
| <tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> |
| <td colspan=2><tt>Raised when raw trace data cannot be serialized to <a href="#TraceData">TraceData</a>.<br> </tt></td></tr> |
| <tr><td> </td> |
| <td width="100%"><dl><dt>Method resolution order:</dt> |
| <dd><a href="telemetry.timeline.trace_data.html#NonSerializableTraceData">NonSerializableTraceData</a></dd> |
| <dd><a href="exceptions.html#Exception">exceptions.Exception</a></dd> |
| <dd><a href="exceptions.html#BaseException">exceptions.BaseException</a></dd> |
| <dd><a href="__builtin__.html#object">__builtin__.object</a></dd> |
| </dl> |
| <hr> |
| Data descriptors defined here:<br> |
| <dl><dt><strong>__weakref__</strong></dt> |
| <dd><tt>list of weak references to the object (if defined)</tt></dd> |
| </dl> |
| <hr> |
| Methods inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br> |
| <dl><dt><a name="NonSerializableTraceData-__init__"><strong>__init__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__init__">__init__</a>(...) initializes x; see help(type(x)) for signature</tt></dd></dl> |
| |
| <hr> |
| Data and other attributes inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br> |
| <dl><dt><strong>__new__</strong> = <built-in method __new__ of type object><dd><tt>T.<a href="#NonSerializableTraceData-__new__">__new__</a>(S, ...) -> a new <a href="__builtin__.html#object">object</a> with type S, a subtype of T</tt></dl> |
| |
| <hr> |
| Methods inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br> |
| <dl><dt><a name="NonSerializableTraceData-__delattr__"><strong>__delattr__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__delattr__">__delattr__</a>('name') <==> del x.name</tt></dd></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__getattribute__">__getattribute__</a>('name') <==> x.name</tt></dd></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__getitem__">__getitem__</a>(y) <==> x[y]</tt></dd></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__getslice__"><strong>__getslice__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__getslice__">__getslice__</a>(i, j) <==> x[i:j]<br> |
| <br> |
| Use of negative indices is not supported.</tt></dd></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__reduce__"><strong>__reduce__</strong></a>(...)</dt></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__repr__">__repr__</a>() <==> repr(x)</tt></dd></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__setattr__"><strong>__setattr__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__setattr__">__setattr__</a>('name', value) <==> x.name = value</tt></dd></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__setstate__"><strong>__setstate__</strong></a>(...)</dt></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__str__"><strong>__str__</strong></a>(...)</dt><dd><tt>x.<a href="#NonSerializableTraceData-__str__">__str__</a>() <==> str(x)</tt></dd></dl> |
| |
| <dl><dt><a name="NonSerializableTraceData-__unicode__"><strong>__unicode__</strong></a>(...)</dt></dl> |
| |
| <hr> |
| Data descriptors inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br> |
| <dl><dt><strong>__dict__</strong></dt> |
| </dl> |
| <dl><dt><strong>args</strong></dt> |
| </dl> |
| <dl><dt><strong>message</strong></dt> |
| </dl> |
| </td></tr></table> <p> |
| <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> |
| <tr bgcolor="#ffc8d8"> |
| <td colspan=3 valign=bottom> <br> |
| <font color="#000000" face="helvetica, arial"><a name="TraceData">class <strong>TraceData</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr> |
| |
| <tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> |
| <td colspan=2><tt>Validates, parses, and serializes raw data.<br> |
| <br> |
| NOTE: raw data must only include primitive objects!<br> |
| By design, <a href="#TraceData">TraceData</a> must contain only data that is BOTH json-serializable<br> |
| to a file, AND restorable once again from that file into <a href="#TraceData">TraceData</a> without<br> |
| assistance from other classes.<br> |
| <br> |
| Raw data can be one of three standard trace_event formats:<br> |
| 1. Trace container format: a json-parseable dict.<br> |
| 2. A json-parseable array: assumed to be chrome trace data.<br> |
| 3. A json-parseable array missing the final ']': assumed to be chrome trace<br> |
| data.<br> </tt></td></tr> |
| <tr><td> </td> |
| <td width="100%">Methods defined here:<br> |
| <dl><dt><a name="TraceData-GetEventsFor"><strong>GetEventsFor</strong></a>(self, part)</dt></dl> |
| |
| <dl><dt><a name="TraceData-HasEventsFor"><strong>HasEventsFor</strong></a>(self, part)</dt></dl> |
| |
| <dl><dt><a name="TraceData-Serialize"><strong>Serialize</strong></a>(self, f, gzip_result<font color="#909090">=False</font>)</dt><dd><tt>Serializes the trace result to a file-like <a href="__builtin__.html#object">object</a>.<br> |
| <br> |
| Always writes in the trace container format.</tt></dd></dl> |
| |
| <dl><dt><a name="TraceData-__init__"><strong>__init__</strong></a>(self, raw_data<font color="#909090">=None</font>)</dt><dd><tt>Creates <a href="#TraceData">TraceData</a> from the given data.</tt></dd></dl> |
| |
| <hr> |
| Data descriptors defined here:<br> |
| <dl><dt><strong>__dict__</strong></dt> |
| <dd><tt>dictionary for instance variables (if defined)</tt></dd> |
| </dl> |
| <dl><dt><strong>__weakref__</strong></dt> |
| <dd><tt>list of weak references to the object (if defined)</tt></dd> |
| </dl> |
| <dl><dt><strong>active_parts</strong></dt> |
| </dl> |
| <dl><dt><strong>events_are_safely_mutable</strong></dt> |
| <dd><tt>Returns true if the events in this value are completely sealed.<br> |
| <br> |
| Some importers want to take complex fields out of the TraceData and add<br> |
| them to the model, changing them subtly as they do so. If the TraceData<br> |
| was constructed with data that is shared with something outside the trace<br> |
| data, for instance a test harness, then this mutation is unexpected. But,<br> |
| if the values are sealed, then mutating the events is a lot faster.<br> |
| <br> |
| We know if events are sealed if the value came from a string, or if the<br> |
| value came from a TraceDataBuilder.</tt></dd> |
| </dl> |
| <dl><dt><strong>metadata_records</strong></dt> |
| </dl> |
| </td></tr></table> <p> |
| <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> |
| <tr bgcolor="#ffc8d8"> |
| <td colspan=3 valign=bottom> <br> |
| <font color="#000000" face="helvetica, arial"><a name="TraceDataBuilder">class <strong>TraceDataBuilder</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr> |
| |
| <tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> |
| <td colspan=2><tt><a href="#TraceDataBuilder">TraceDataBuilder</a> helps build up a trace from multiple trace agents.<br> |
| <br> |
| <a href="#TraceData">TraceData</a> is supposed to be immutable, but it is useful during recording to<br> |
| have a mutable version. That is <a href="#TraceDataBuilder">TraceDataBuilder</a>.<br> </tt></td></tr> |
| <tr><td> </td> |
| <td width="100%">Methods defined here:<br> |
| <dl><dt><a name="TraceDataBuilder-AddEventsTo"><strong>AddEventsTo</strong></a>(self, part, events)</dt><dd><tt>Note: this won't work when called from multiple browsers.<br> |
| <br> |
| Each browser's trace_event_impl zeros its timestamps when it writes them<br> |
| out and doesn't write a timebase that can be used to re-sync them.</tt></dd></dl> |
| |
| <dl><dt><a name="TraceDataBuilder-AsData"><strong>AsData</strong></a>(self)</dt></dl> |
| |
| <dl><dt><a name="TraceDataBuilder-HasEventsFor"><strong>HasEventsFor</strong></a>(self, part)</dt></dl> |
| |
| <dl><dt><a name="TraceDataBuilder-__init__"><strong>__init__</strong></a>(self)</dt></dl> |
| |
| <hr> |
| Data descriptors defined here:<br> |
| <dl><dt><strong>__dict__</strong></dt> |
| <dd><tt>dictionary for instance variables (if defined)</tt></dd> |
| </dl> |
| <dl><dt><strong>__weakref__</strong></dt> |
| <dd><tt>list of weak references to the object (if defined)</tt></dd> |
| </dl> |
| </td></tr></table> <p> |
| <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> |
| <tr bgcolor="#ffc8d8"> |
| <td colspan=3 valign=bottom> <br> |
| <font color="#000000" face="helvetica, arial"><a name="TraceDataPart">class <strong>TraceDataPart</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr> |
| |
| <tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> |
| <td colspan=2><tt><a href="#TraceData">TraceData</a> can have a variety of events.<br> |
| <br> |
| These are called "parts" and are accessed by the following fixed field names.<br> </tt></td></tr> |
| <tr><td> </td> |
| <td width="100%">Methods defined here:<br> |
| <dl><dt><a name="TraceDataPart-__init__"><strong>__init__</strong></a>(self, raw_field_name)</dt></dl> |
| |
| <dl><dt><a name="TraceDataPart-__repr__"><strong>__repr__</strong></a>(self)</dt></dl> |
| |
| <hr> |
| Data descriptors defined here:<br> |
| <dl><dt><strong>__dict__</strong></dt> |
| <dd><tt>dictionary for instance variables (if defined)</tt></dd> |
| </dl> |
| <dl><dt><strong>__weakref__</strong></dt> |
| <dd><tt>list of weak references to the object (if defined)</tt></dd> |
| </dl> |
| <dl><dt><strong>raw_field_name</strong></dt> |
| </dl> |
| </td></tr></table></td></tr></table><p> |
| <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> |
| <tr bgcolor="#55aa55"> |
| <td colspan=3 valign=bottom> <br> |
| <font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr> |
| |
| <tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td> |
| <td width="100%"><strong>ALL_TRACE_PARTS</strong> = set([TraceDataPart("traceEvents"), TraceDataPart("inspectorTimelineEvents"), TraceDataPart("surfaceFlinger"), TraceDataPart("tabIds")])<br> |
| <strong>CHROME_TRACE_PART</strong> = TraceDataPart("traceEvents")<br> |
| <strong>INSPECTOR_TRACE_PART</strong> = TraceDataPart("inspectorTimelineEvents")<br> |
| <strong>SURFACE_FLINGER_PART</strong> = TraceDataPart("surfaceFlinger")<br> |
| <strong>TAB_ID_PART</strong> = TraceDataPart("tabIds")</td></tr></table> |
| </body></html> |
